package com.ryan.security.core.validate.code;

import com.ryan.security.core.properties.SecurityProperties;
import com.ryan.security.core.validate.code.sms.SmsCodeSender;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.social.connect.web.HttpSessionSessionStrategy;
import org.springframework.social.connect.web.SessionStrategy;
import org.springframework.web.bind.ServletRequestBindingException;
import org.springframework.web.bind.ServletRequestUtils;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RestController;
import org.springframework.web.context.request.ServletRequestAttributes;
import org.springframework.web.context.request.ServletWebRequest;

import javax.imageio.ImageIO;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.awt.*;
import java.awt.image.BufferedImage;
import java.io.IOException;
import java.util.Random;

/**
 * Created by kaimin on 1/1/2019.
 * time : 23:50
 */
@RestController
public class ValidatorController1 {
    public   static final String  SESSION_KEY="SESSION_KEY_IMAGE_CODE";

    //验证码保存到session中
     private SessionStrategy sessionStrategy=new HttpSessionSessionStrategy();

     @Autowired
     private SecurityProperties securityProperties;

     @Autowired
     @Qualifier("smsCodeValidatorCodeGenerator")
     private ValidatorCodeGenerator validatorCodeGenerator;

    @Autowired
    @Qualifier("imageCodeValidatorCodeGenerator")
    private ValidatorCodeGenerator imagevalidatorenerator;

    @Autowired
    private SmsCodeSender smsCodeSender;

//    @GetMapping("/code/image")
    public void createCode(HttpServletRequest request, HttpServletResponse response) throws IOException {

        //这里代码差不多，可以用模版模式重构
        ImageCode code= (ImageCode) imagevalidatorenerator.createImageCode(new ServletWebRequest(request));
        sessionStrategy.setAttribute(new ServletRequestAttributes(request),SESSION_KEY,code);
        ImageIO.write(code.getBufferedImage(),"JPEG",response.getOutputStream());
    }

    //短信验证
//    @GetMapping("/code/sms")
    public void createSms(HttpServletRequest request, HttpServletResponse response) throws IOException, ServletRequestBindingException {

        ValidatorCode code=  validatorCodeGenerator.createImageCode(new ServletWebRequest(request));
        //放到session
        sessionStrategy.setAttribute(new ServletRequestAttributes(request),SESSION_KEY,code);
        //短信服务商发送短信
        String mobile=ServletRequestUtils.getRequiredStringParameter(request,"mobile");//必须要有这个参数
        smsCodeSender.send(mobile,code.getCode());
        //封装短信发送的接口

    }
   /* private ImageCode createImageCode(ServletWebRequest request) {

        int width = ServletRequestUtils.getIntParameter(request.getRequest(), "width",
                securityProperties.getCode().getImage().getWidth());
        int height = ServletRequestUtils.getIntParameter(request.getRequest(), "height",
                securityProperties.getCode().getImage().getHeight());
//        int width = 67;
//        int height =23;
        BufferedImage image = new BufferedImage(width, height, BufferedImage.TYPE_INT_RGB);

        Graphics g = image.getGraphics();

        Random random = new Random();

        g.setColor( getRandColor(200, 250));
        g.fillRect(0, 0, width, height);
        g.setFont(new Font("Times New Roman", Font.ITALIC, 20));
        g.setColor(getRandColor(160, 200));
        for (int i = 0; i < 155; i++) {
            int x = random.nextInt(width);
            int y = random.nextInt(height);
            int xl = random.nextInt(12);
            int yl = random.nextInt(12);
            g.drawLine(x, y, x + xl, y + yl);
        }

        String sRand = "";
        for (int i = 0; i < securityProperties.getCode().getImage().getLength(); i++) {
//        for (int i = 0; i < 4; i++) {
            String rand = String.valueOf(random.nextInt(10));
            sRand += rand;
            g.setColor(new Color(20 + random.nextInt(110), 20 + random.nextInt(110), 20 + random.nextInt(110)));
            g.drawString(rand, 13 * i + 6, 16);
        }

        g.dispose();

//        return new ImageCode(image, sRand, 120);
        return new ImageCode(image, sRand, securityProperties.getCode().getImage().getExpireIn());
    }

    *//**
     * 生成随机背景条纹
     *
     * @param fc
     * @param bc
     * @return
     *//*
    private Color getRandColor(int fc, int bc) {
        Random random = new Random();
        if (fc > 255) {
            fc = 255;
        }
        if (bc > 255) {
            bc = 255;
        }
        int r = fc + random.nextInt(bc - fc);
        int g = fc + random.nextInt(bc - fc);
        int b = fc + random.nextInt(bc - fc);
        return new Color(r, g, b);
    }*/
}
